<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>作业4</title>
  <style>
    body {
        background-image: url('./img/sf.png');
        background-repeat: no-repeat;
        background-size: cover;
        margin: 0;
        padding: 0;
        
    }

    .a-total {
        background-color: black;
        padding: 5px;
        display: flex;
        justify-content: center;
        margin-bottom: 0;
    }

    .a1,.a2,.a3,.a4,.a5,.a6{
        text-decoration: none;
        color: white;
        padding: 1px 20px;
    }
  </style>
</head>

<body>
  <div class="a-total">
    <a href="#" class="a1">查询快递</a>
    <a href="#" class="a2">查询快递</a>
    <a href="#" class="a3">查询快递</a>
    <a href="#" class="a4">查询快递</a>
    <a href="#" class="a5">查询快递</a>
    <a href="#" class="a6">查询快递</a>
  </div>
</body>

</html>